Home / 11,551.78-17,334.36-6,287.32

Finding the Fourth Proportional to 11,551.78, 17,334.36 and 6,287.32

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Solution

The fourth proportional to 11,551.78, 17,334.36 and 6,287.32 is: 9,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.78 : 17,334.36 = 6,287.32 : x
  2. Step 2: Convert to fraction form
    11,551.78/17,334.36 = 6,287.32/x
  3. Step 3: Cross multiply
    11,551.78x = 17,334.36 × 6,287.32
  4. Step 4: Simplify right side
    11,551.78x = 108,986,668.32
  5. Step 5: Solve for x
    x = 108,986,668.32/11,551.78
  6. Step 6: Final answer
    x = 9,434.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.